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True [87]
3 years ago
14

Classify the expression: -2x^2+11

Mathematics
1 answer:
Virty [35]3 years ago
4 0

Answer:

-2x^2+11

Step-by-step explanation:

-2x^2+11

Since there aren't any like terms, the answer would be:

-2x^2+11

Hope this helps!

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Help Please I'm Out Of Time ;(
trasher [3.6K]

Answer:

Total area = 31.5 unit²

Step-by-step explanation:

Assume 1 block = 1 unit²

Divide diagram into 3 part

1. 5 by 5 block square

2. 2 by 2 block triangle(1)

2. 3 by 3 block triangle(2)

Area of square = side × side

Area of square = 5 × 5

Area of square = 25 unit²

Area of triangle(1) = [1/2][base][height]

Area of triangle(1) = [1/2][2][2]

Area of triangle(1) = 2 unit²

Area of triangle(2) = [1/2][base][height]

Area of triangle(2) = [1/2][3][3]

Area of triangle(2) = 4.5 unit²

Total area = Area of square + Area of triangle(1) +Area of triangle(2)

Total area = 25 unit² + 2 unit² + 4.5 unit²

Total area = 31.5 unit²

6 0
3 years ago
How do you work this problem 2.5÷ 4
lord [1]

Using a calculator can help. You get 0.625, or 5/8.

8 0
3 years ago
The first three terms of a sequence are -9 -7 -5​
Crank

Answer:

-3

Step-by-step explanation:

7 0
2 years ago
I will mark u brainliest please help
musickatia [10]

Answer:

30+(2x+7)+63=180(sum of angles of triangle )

30+2x+7+63=180

2x+100=180

2x=180-100

x=80/2

x=40

6 0
2 years ago
Read 2 more answers
PLZ HELP AND EXPLAIN THIS PLZ
AURORKA [14]

Answer:

A. <u>4</u> trucks will make $80 because 4 × 20 = 80, so they need to wash <u>38</u> cars to make the other $380 because 38 × 10 = 380.

($80 + $380 = $460)

B. <u>15</u> trucks will make $300 because

15 × 20 = 300, so they need to wash <u>16</u> cars to make the other $160 because 16 × 10 = 160. ($300 + $160 = $460)

C. <u>21</u> trucks will make $420 because

21 × 20 = 420, so they need to wash <u>4</u> cars to make the other $40 because 4 × 10 = 40.

($420 + $40 = $460)

D. <u>27</u> trucks will make $540, so they won't have to wash any cars because they would have already exceeded their goal of $460.

Not sure what to do for letter E. Sorry. I hope the rest makes sense though :)

7 0
2 years ago
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